Direct link to Satoshi's post:
http://p2pfoundation.ning.com/forum/topics/bitcoin-open-sour...
http://p2pfoundation.ning.com/forum/topics/bitcoin-open-sour...
A. This account was hacked and it doesn't matter. This scenario might be uncovered if ning.com discovers a breach.
B. This is Satoshi Nakamoto, the creator of Bitcoin, and s/he is trying to clear Dorian's name.
C. This is Dorian Nakamoto and he is trying to clear his name.
We can never distinguish between B and C, so I don't see the value of posting such a comment, and I'm pretty sure that the inventor of Bitcoin would understand this as well.